gpt-4o-mini API pricing

Checked 12 Sept 2026 LLMs
$ per 1M input $0.150
$ per 1M output $0.600

Blended at 3:1 input to output: $0.263 per million tokens.

OpenAI charges $0.150 per million input tokens and $0.600 per million output tokens.

$0.150
$/1M input
$0.600
$/1M output
$0.075
$/1M cached in
128,000
Context window
$19.80
1k req/day, monthly

Against the models nearest in price

Blended at a 3:1 input to output ratio.

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gpt-4o-mini against comparable models — checked 12 Sept 2026
Source
gpt-4o-mini This model OpenAI $0.150 $0.600 128,000 $0.263

Last checked . Methodology

Questions

How much does gpt-4o-mini cost per million tokens?

$0.150 per million input tokens and $0.600 per million output tokens, with cached input at $0.075. At a 3:1 input to output mix that blends to $0.263. Checked 12 Sept 2026.

What would gpt-4o-mini cost for a real workload?

A thousand requests a day at 2,000 input and 600 output tokens each comes to $19.80 a month.

What is the context window for gpt-4o-mini?

128,000 tokens of input, with up to 16,384 tokens of output.

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